yii\i18n\Formatter is a small formatting assistant, which is very helpful for us to achieve user-friendly display on the front end.
1. Commonly used attributes
(1)$dateFormat
Date format: yyyy-MM-dd, or "short", "medium ", "long", or "full"
(2)$datetimeFormat
Specific time format: yyyy-MM-dd HH:mm:ss
(3) $locale
Regional location, if not set, yii\base\Application::$language will be used, and the format will be displayed according to the customary display format of this region
(4)$defaultTimeZone
Time zone, default UTC
To use formatter, you need to configure it in config:
'formatter' => [ 'dateFormat' => 'yyyy-MM-dd', 'datetimeFormat' => 'yyyy-MM-dd HH:mm:ss', 'decimalSeparator' => ',', 'thousandSeparator' => ' ', 'currencyCode' => 'CNY', ],
2. Formatting
echo Yii::$app->formatter->asRelativeTime(1463632983).'<br/>'; // 幾天前 幾小時(shí)前 echo Yii::$app->formatter->asDatetime(1463606983).'<br>'; // 2015-6-16 11:51:43 echo Yii::$app->formatter->asDatetime('now').'<br>'; // 也可處理null值的輸出顯示: echo Yii::$app->formatter->asDate(null).'<br>'; // 輸出: (未設(shè)置) echo Yii::$app->formatter->asPercent(0.125, 2).'<br>'; // 輸出: 12.50% echo Yii::$app->formatter->asTimestamp('now').'<br>';//輸出時(shí)間戳 echo Yii::$app->formatter->asTime(1412599260).'<br>'; // 14:41:00 echo Yii::$app->formatter->asTime('2014-10-06 12:41:00').'<br>'; // 14:41:00 echo Yii::$app->formatter->asTime('2014-10-06 14:41:00 CEST').'<br>'; // 14:41:00 echo Yii::$app->formatter->asRaw(1463606983).'<br>';//簡單輸出輸入值 echo Yii::$app->formatter->asText('<h3>hello</h3>').'<br>';//將字符串中html標(biāo)簽當(dāng)做字符串輸出 echo Yii::$app->formatter->asHtml('<h3>hello</h3>').'<br>';//作為Html的文檔輸出 echo Yii::$app->formatter->asNtext("<h3>hello.\nword</h3>").'<br>';//在字符串中遇到\n可以將它作為換行符實(shí)現(xiàn) echo Yii::$app->formatter->asEmail('cebe@example.com').'<br>';// 輸出: <a href="mailto:cebe@example.com"> cebe@example.com</a> echo Yii::$app->formatter->asParagraphs('hello').'<br>';// 值會(huì)轉(zhuǎn)換成HTML編碼的文本段落,用<p>標(biāo)簽包裹; echo Yii::$app->formatter->asUrl('www.baidu.com').'<br>';//值會(huì)格式化成url的連接 echo Yii::$app->formatter->asImage('my2.jpeg',['alt'=>'圖片無法顯示']).'<br>';//圖片的鏈接會(huì)轉(zhuǎn)化成<img src= 'my.jpg'/> echo Yii::$app->formatter->asBoolean(true).'<br>';//輸出yes
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